package choux_tuxing;

/**
 * Create by IntelliJ IDEA
 *
 * @author: jsonor
 * @date-Time: 2018/4/13 8:27
 * @description:
 */
public   class Circle extends Shape {
  double r;
Circle (){}
  public Circle(double r) {
    this.r = r;
  }

  @Override
  public double area() {
    return r*r*3.14;
  }

  @Override
  public String getName() {
    return "圆";
  }



}
